The one thing about a Web site, it always changes! Joomla! makes it easy to add Articles, content, images, videos, and more. Site administrators can edit and manage content 'in-context' by clicking the 'Edit' link. Webmasters can also edit content through a graphical Control Panel that gives you complete control over your site.

Key Concepts

Out of the box, Joomla! does a great job of managing the content needed to make your Web site sing. But for many people, the true power of Joomla! lies in the application framework that makes it possible for developers all around the world to create powerful add-ons that are called Extensions. An Extension is used to add capabilities to Joomla! that do not exist in the base core code. Here are just some examples of the hundreds of available Extensions:

Dynamic form builders

Business or organisational directories

Document management

Image and multimedia galleries

E-commerce and shopping cart engines

Forums and chat software

Calendars

E-mail newsletters

Data collection and reporting tools

Banner advertising systems

Paid subscription services

and many, many, more

You can find more examples over at our ever growing Joomla! Extensions Directory. Prepare to be amazed at the amount of exciting work produced by our active developer community!

Types of Extensions

There are five types of extensions:

Components

Modules

Templates

Plugins

Languages

You can read more about the specifics of these using the links in the Article Index - a Table of Contents (yet another useful feature of Joomla!) - at the top right or by clicking on the Next link below.